1144879 has 2 divisors, whose sum is σ = 1144880. Its totient is φ = 1144878.
The previous prime is 1144877. The next prime is 1144889. The reversal of 1144879 is 9784411.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1144879 - 21 = 1144877 is a prime.
Together with 1144877, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1144877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572439 + 572440.
It is an arithmetic number, because the mean of its divisors is an integer number (572440).
21144879 is an apocalyptic number.
1144879 is a deficient number, since it is larger than the sum of its proper divisors (1).
1144879 is an equidigital number, since it uses as much as digits as its factorization.
1144879 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8064, while the sum is 34.
The square root of 1144879 is about 1069.9901868709. The cubic root of 1144879 is about 104.6132103371.
The spelling of 1144879 in words is "one million, one hundred forty-four thousand, eight hundred seventy-nine".
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